A) only if you don't have glasses B) to improve vision C) any time chemicals, heat, or sediments are used to protect your eyes D) to avoid eye strain
A) figure it out as you do the lab B) ask the teacher before you start C) skip it and go to the next part D) try several methods until something works
A) disposed of according to your teacher's directions B) taken home C) left at your table for the next class D) dumped into the sink
A) tell the teacher at once B) visit the school nurse after class C) see a doctor after school D) apply first aid yourself
A) All of these B) read all directions carefully to know what equipment is needed C) clean any glassware that looks dirty D) examine all glassware to check for chips or cracks
A) closed-toed shoes B) open-toed shoes C) slippers D) sandals
A) not dangerous B) Ok C) okay if you are working alone D) always against the rules
A) your teacher B) your lab partners C) your best friend in class D) the custodian
A) the protection of you and your clothing B) wiping your hands C) when you are wearing your best clothes D) others to put away
A) waft the odor toward you B) pour it on the table C) use a fan D) nhale deeply
A) Ask the teacher about any questions you have B) read all the directions C) Clear off your table of books, food, and drinks D) all of these
A) all of these B) fire blanket C) classroom door B) fire extinguisher D) fire extinguisher
A) ipe your hands on your clothes B) wipe your hands with a paper towel C) treat your hands with skin lotion D) wash your hands with soap and water
A) Wash your hands and tell the teacher B) wipe your hands on your pants C) try to figure out what the sticky substance is D) wipe your hands on a classmate
A) Safety glasses B) sun glasses C) Lab coat D) gloves
A) put her hair up in a rubber band B) worn a hat today C) skipped the lab D) gotten a hair cut before class today
A) the fire extinguisher B) The fire blanket C) Water from the sink D) Your coat
A) while you are working B) Next week C) After school D) before you start
A) wash them down the sink B) throw them in the trash C) follow the instructions of your teacher D) burn them in a burner
A) your hands should be dry B) your hand must be wet C) ask the nurse. D) ask the custodian
A) away from you and toward others B) toward you and away from others C) away from you and others D) toward you and others
A) pour water into acid B) let the teacher pour them C) pour them at the same time D) pour acid into water
A) False B) true
A) false B) true
A) false B) true |